I have installed ADO.NET drivers. I receive the error message below.

Server Error in '/UI' Application.
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DBISAM Engine Error # 11279: An unknown error ('Invalid pointer operation') occurred with the connection to the database server at '57.12.45.237',
please check the server log
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information
about the error and where it originated in the code.

Exception Details: Dbisam.DbisamException: DBISAM Engine Error # 11279: An unknown error ('Invalid pointer operation') occurred with the
connection to the database server at '57.12.45.237', please check the server log

Source Error:


Line 75:
Line 76:             objDbisamConnection.Open()
Line 77:             objDataReader = objDbisamCommand.ExecuteReader()
Line 78:             ' Catch ex As Exception
Line 79:             'Throw New Exception(ex.Message)


Source File: c:\SentinelBBICS\Mercator.FOSS.SentinelDA\DBISAMHelperDA.vb    Line: 77

Stack Trace:


[DbisamException: DBISAM Engine Error # 11279: An unknown error ('Invalid pointer operation') occurred with the connection to the database
server at '57.12.45.237', please check the server log]
  Dbisam.Protocol.LoopSendReceive() +544
  Dbisam.Protocol.SendRequest(Int16 requestCode, Object[] values) +62
  Dbisam.QueryStatement.PrepareStatement(String sql) +199
  Dbisam.DbisamCommand.PrepareQuery() +154
  Dbisam.DbisamCommand.ExecuteReader(CommandBehavior behavior) +180
  Dbisam.DbisamCommand.ExecuteReader() +6
  Mercator.FOSS.SentinelDA.DBISAMHelperDA.GetDataReader(String strConnectionString, String strCommandText) in
c:\SentinelBBICS\Mercator.FOSS.SentinelDA\DBISAMHelperDA.vb:77
  Mercator.FOSS.SentinelDA.LoginDA.GetNTLoginStatus(String strLoginStatus) in c:\SentinelBBICS\Mercator.FOSS.SentinelDA\LoginDA.vb:32
  Mercator.FOSS.SentinelBL.LoginBL.GetNTLoginStatus() in c:\SentinelBBICS\Mercator.FOSS.SentinelBL\LoginBL.vb:40
  UI.Login.Page_Load(Object sender, EventArgs e) in c:\SentinelBBICS\UI\Forms\Login.aspx.vb:60
  System.Web.UI.Control.OnLoad(EventArgs e) +80
  System.Web.UI.Control.LoadRecursive() +49
  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3745




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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42